Home / 7,247.57-10,867.85-3,545.47

Finding the Fourth Proportional to 7,247.57, 10,867.85 and 3,545.47

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Solution

The fourth proportional to 7,247.57, 10,867.85 and 3,545.47 is: 5,316.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.57 : 10,867.85 = 3,545.47 : x
  2. Step 2: Convert to fraction form
    7,247.57/10,867.85 = 3,545.47/x
  3. Step 3: Cross multiply
    7,247.57x = 10,867.85 × 3,545.47
  4. Step 4: Simplify right side
    7,247.57x = 38,531,564.07
  5. Step 5: Solve for x
    x = 38,531,564.07/7,247.57
  6. Step 6: Final answer
    x = 5,316.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.